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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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石墨烯-聚多巴胺纳米复合材料制备过氧化氢生物传感器
DOI: 10.3724/SP.J.1096.2012.10308, PP. 72-76
Keywords: 聚多巴胺,石墨烯,对苯二酚,辣根过氧化物酶,过氧化氢
Abstract:
通过合成具有仿生功能的石墨烯-聚多巴胺纳米材料,将其与辣根过氧化酶组装到电极表面,以对苯二酚为电子媒介体制备H2O2传感器。此修饰电极对H2O2具有良好的电催化活性,检测的线性范围为5.0×10-7~3.3×10-4mol/L;线性回归方程为Y＝29.69x+0.04577,相关系数为R＝0.9995;检出限为3.7×10-7mol/L(S/N＝3)。
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